Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KQB losing vs. KR (log scale)

Longest KQBvKR phases

KQBvKR statistics (unique positions)

White wins:
116,997,291 (83.3%)
Draws:
22,796,331 (16.2%)
Black wins:
579,172 (0.4%)
KQBvKR.json (?)